Goodwill, Core Deposit Intangible and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Changes in Goodwill and Core Deposit Intangible Assets

The following table summarizes the changes in the Company’s goodwill and core deposit intangible assets for the years ended December 31, 2021, 2020 and 2019:

	2021								2020								2019
	Goodwill		Core Deposit Intangible			Customer Relationship Intangible			Goodwill		Core Deposit Intangible			Customer Relationship Intangible			Goodwill		Core Deposit Intangible			Customer Relationship Intangible
Beginning balance	$	148,353	$	21,809		$	2,469		$	148,353	$	29,111		$	2,791		$	128,177	$	30,360		$	3,059
Additions		—		—			—			—		—			—			20,176		6,220			—
Amortization or accretion		—		(6,805	)		(268	)		—		(7,302	)		(322	)		—		(7,469	)		(268	)
Ending balance	$	148,353	$	15,004		$	2,201		$	148,353	$	21,809		$	2,469		$	148,353	$	29,111		$	2,791
Accumulated amortization    or accretion	N/A		$	40,462		$	1,015		N/A		$	33,657		$	747		N/A		$	26,355		$	425
Weighted average remaining    amortization or accretion period	N/A		4.8 Years			8.3 Years			N/A		5.6 Years			9.3 Years			N/A		6.5 Years			10.4 Years

Estimated Amortization Expense for Core Deposit Intangible and Customer Relationship Intangible Recognized

The following table presents the estimated amortization expense for core deposit intangible and other intangible assets recognized at December 31, 2021:

	Estimated Amortization
2022	$	6,386
2023		4,336
2024		2,286
2025		1,721
2026		1,157
Thereafter		1,319
Total	$	17,205